Airfoil Comparison
Select airfoils from the airfoil database or add your own airfoils and compare the airfoil shape and lift/drag polars.
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(npl9627-il) NPL 9627 AIRFOIL | NPL 9627 rotorcraft airfoil Max thickness 12.2% at 31% chord Max camber 0.9% at 40.4% chord | Remove Airfoil details Airfoil plotter |
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Polars for (npl9627-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| npl9627-il | 50,000 | 9 | 28.8 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| npl9627-il | 50,000 | 5 | 29.7 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| npl9627-il | 100,000 | 9 | 42.3 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| npl9627-il | 100,000 | 5 | 40.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| npl9627-il | 200,000 | 9 | 54.3 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| npl9627-il | 200,000 | 5 | 49 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| npl9627-il | 500,000 | 9 | 66.2 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| npl9627-il | 500,000 | 5 | 64.6 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| npl9627-il | 1,000,000 | 9 | 80.4 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| npl9627-il | 1,000,000 | 5 | 81.4 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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